Home / 758,642.40-1,137,963.60-197,676.90

Finding the Fourth Proportional to 758,642.40, 1,137,963.60 and 197,676.90

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Solution

The fourth proportional to 758,642.40, 1,137,963.60 and 197,676.90 is: 296,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,642.40 : 1,137,963.60 = 197,676.90 : x
  2. Step 2: Convert to fraction form
    758,642.40/1,137,963.60 = 197,676.90/x
  3. Step 3: Cross multiply
    758,642.40x = 1,137,963.60 × 197,676.90
  4. Step 4: Simplify right side
    758,642.40x = 224,949,116,760.84
  5. Step 5: Solve for x
    x = 224,949,116,760.84/758,642.40
  6. Step 6: Final answer
    x = 296,515.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.